From 6e560e345a54d4edf49240a21375e355bddd2fce Mon Sep 17 00:00:00 2001
From: Mircea Baja <bajamircea@gmail.com>
Date: Mon, 8 Dec 2014 21:36:26 +0000
Subject: [PATCH] Added check for already defined NOMINMAX

---
 include/msgpack/unpack.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/msgpack/unpack.hpp b/include/msgpack/unpack.hpp
index d539179e..3ba9c2a1 100644
--- a/include/msgpack/unpack.hpp
+++ b/include/msgpack/unpack.hpp
@@ -30,7 +30,9 @@
 
 #if defined(_MSC_VER)
 // avoiding confliction std::max, std::min, and macro in windows.h
+#ifndef NOMINMAX
 #define NOMINMAX
+#endif
 #endif // defined(_MSC_VER)
 
 #ifdef _msgpack_atomic_counter_header